<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        body {
            height: 100vh;
            background: #0078d7;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .container {
            transform: scale(1.5);
        }

        .container p {
            color: #fff;
        }

        .space {
            height: 20px;
        }

        .rotate {
            width: 60px;
            height: 60px;
            margin: 0 auto;
            position: relative;
        }

        .item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            align-items: flex-end;
            animation: xuanzhuan 5s linear infinite;
        }

        .item:nth-child(1) {
            animation-delay: .2s;
        }

        .item:nth-child(2) {
            animation-delay: .4s;
        }

        .item:nth-child(3) {
            animation-delay: .6s;
        }

        .item:nth-child(4) {
            animation-delay: .8s;
        }

        .item:nth-child(5) {
            animation-delay: 1s;
        }

        .item:nth-child(6) {
            animation-delay: 1.2s;
        }

        .item::after {
            content: '';
            display: block;
            width: 5px;
            height: 5px;
            background: #fff;
            border-radius: 50%;
        }

        @keyframes xuanzhuan {
            0% {
                transform: rotate(0);
            }

            10% {
                transform: rotate(90deg);
                opacity: 1;
            }

            35% {
                transform: rotate(225deg);
            }

            45% {
                transform: rotate(450deg);
            }

            75% {
                transform: rotate(585deg);
            }

            85% {
                transform: rotate(690deg);
                opacity: 1;
            }

            86% {
                opacity: 0;
            }

            100% {
                transform: rotate(80deg);
                opacity: 0;
            }
        }
    </style>
</head>

<body>
    <div class="container">
        <div class="rotate">
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
        </div>
        <div class="space"></div>
        <p>正在准备 windows</p>
    </div>
</body>

</html>